Acquired Loans - Carrying Amount of Acquired Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Acquired Loans, Aging [Abstract]
Current		$ 339,370	$ 362,970
Acquired Loans, Past Due		24,510	26,430
Nonaccrual	[1]	875	1,011
Total Acquired Loans		364,755	390,411
Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	19,850	22,173
Noncovered Loans [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		336,569	361,452
Acquired Loans, Aging [Abstract]
Current		325,673	347,632
Acquired Loans, Past Due		23,282	24,119
Nonaccrual	[1]	826	960
Total Acquired Loans		349,781	372,711
Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	19,083	21,076
Covered Loans [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		14,651	16,967
Acquired Loans, Aging [Abstract]
Current		13,697	15,338
Acquired Loans, Past Due		1,228	2,311
Nonaccrual	[1]	49	51
Total Acquired Loans		14,974	17,700
Covered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	767	1,097
Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		27,685	28,464
Acquired Loans, Past Due		13,412	13,159
Nonaccrual	[1]	0	0
Total Acquired Loans		41,097	41,623
Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	13,001	13,021
Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		379	893
Acquired Loans, Past Due		8	128
Nonaccrual	[1]	0	0
Total Acquired Loans		387	1,021
Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	119
Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		77,948	83,163
Acquired Loans, Past Due		2,985	3,400
Nonaccrual	[1]	381	387
Total Acquired Loans		81,314	86,950
Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	828	1,220
Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		7,546	8,520
Acquired Loans, Past Due		1,018	1,538
Nonaccrual	[1]	0	0
Total Acquired Loans		8,564	10,058
Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	767	978
Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		120,624	129,182
Acquired Loans, Past Due		5,415	6,300
Nonaccrual	[1]	138	144
Total Acquired Loans		126,177	135,626
Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	4,325	5,913
Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		3,477	3,993
Acquired Loans, Past Due		202	645
Nonaccrual	[1]	0	0
Total Acquired Loans		3,679	4,638
Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	0
Other Real Estate Secured [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		23,608	23,114
Acquired Loans, Past Due		766	746
Nonaccrual	[1]	0	0
Total Acquired Loans		24,374	23,860
Other Real Estate Secured [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	745	737
Other Real Estate Secured [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		1,132	1,286
Acquired Loans, Past Due		0	0
Nonaccrual	[1]	0	0
Total Acquired Loans		1,132	1,286
Other Real Estate Secured [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	0
Commercial and Industrial Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		50,694	54,376
Acquired Loans, Past Due		662	270
Nonaccrual	[1]	307	429
Total Acquired Loans		51,663	55,075
Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	184	184
Commercial and Industrial Loans [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		1,094	573
Acquired Loans, Past Due		0	0
Nonaccrual	[1]	49	51
Total Acquired Loans		1,143	624
Commercial and Industrial Loans [Member] | Covered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	0
Consumer Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		4,985	5,498
Acquired Loans, Past Due		42	143
Nonaccrual	[1]	0	0
Total Acquired Loans		5,027	5,641
Consumer Loans [Member] | Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	1
Consumer Loans [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Total Acquired Loans		0	0
Other Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		20,129	23,835
Acquired Loans, Past Due		0	101
Nonaccrual	[1]	0	0
Total Acquired Loans		20,129	23,936
Other Loans [Member] | Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	0
Other Loans [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		69	73
Acquired Loans, Past Due		0	0
Nonaccrual	[1]	0	0
Total Acquired Loans		69	73
Other Loans [Member] | Covered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due	[2]	0	0
Commercial LHFI [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		293,962	313,926
Commercial LHFI [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		212,847	224,725
Commercial LHFI [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		2,460	3,589
Commercial LHFI [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		71,339	77,649
Commercial LHFI [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		7,316	7,963
Commercial LHFI [Member] | Noncovered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		287,351	305,372
Commercial LHFI [Member] | Noncovered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		207,174	218,201
Commercial LHFI [Member] | Noncovered Loans [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		2,331	3,425
Commercial LHFI [Member] | Noncovered Loans [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		70,692	75,902
Commercial LHFI [Member] | Noncovered Loans [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		7,154	7,844
Commercial LHFI [Member] | Covered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		6,611	8,554
Commercial LHFI [Member] | Covered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		5,673	6,524
Commercial LHFI [Member] | Covered Loans [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		129	164
Commercial LHFI [Member] | Covered Loans [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		647	1,747
Commercial LHFI [Member] | Covered Loans [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		162	119
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		38,855	39,218
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		16,624	15,839
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Special Mention [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		241	253
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		18,369	19,252
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		3,621	3,874
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		310	942
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		302	235
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		8	588
Commercial LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans			119
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		26,158	27,663
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		20,951	22,272
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Special Mention [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		25	27
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		4,860	5,033
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		322	331
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		1,366	1,510
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		723	869
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Special Mention [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		100	107
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		381	534
Commercial LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		162
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		126,177	135,626
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		100,962	106,924
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Special Mention [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		1,224	2,301
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		23,294	25,690
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		697	711
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		3,617	4,567
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		3,476	4,060
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Special Mention [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		8	35
Commercial LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		133	472
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		24,369	23,854
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Noncovered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		19,479	19,346
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Noncovered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		4,179	3,777
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Noncovered Loans [Member] | Doubtful [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		711	731
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		110	841
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Covered Loans [Member] | Pass [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans			730
Commercial LHFI [Member] | Other Real Estate Secured [Member] | Covered Loans [Member] | Substandard [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		110	111
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		51,663	55,075
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		35,523	36,670
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		841	844
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		13,657	15,526
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		1,642	2,035
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Covered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		1,143	624
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Covered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		1,107	560
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Covered Loans [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		21	22
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Covered Loans [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		15	42
Commercial LHFI [Member] | Other Loans [Member] | Noncovered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		20,129	23,936
Commercial LHFI [Member] | Other Loans [Member] | Noncovered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		13,635	17,150
Commercial LHFI [Member] | Other Loans [Member] | Noncovered Loans [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		6,333	6,624
Commercial LHFI [Member] | Other Loans [Member] | Noncovered Loans [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		161	162
Commercial LHFI [Member] | Other Loans [Member] | Covered Loans [Member] | Commercial Loan [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		65	70
Commercial LHFI [Member] | Other Loans [Member] | Covered Loans [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans		65	70
Consumer LHFI [Member]
Acquired Loans, Aging [Abstract]
Current		67,336	72,289
Nonaccrual	[1]	141	145
Subtotal		70,793	76,485
Total Acquired Loans		364,755	390,411
Consumer LHFI [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		2,248	2,330
Consumer LHFI [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		1,068	1,721
Consumer LHFI [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		59,612	64,228
Nonaccrual	[1]	141	145
Subtotal		62,430	67,339
Total Acquired Loans		349,781	372,711
Consumer LHFI [Member] | Noncovered Loans [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		2,023	2,007
Consumer LHFI [Member] | Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		654	959
Consumer LHFI [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		7,724	8,061
Subtotal		8,363	9,146
Total Acquired Loans		14,974	17,700
Consumer LHFI [Member] | Covered Loans [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		225	323
Consumer LHFI [Member] | Covered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		414	762
Consumer LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		2,161	2,353
Subtotal		2,242	2,405
Total Acquired Loans		41,097	41,623
Consumer LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		81	24
Consumer LHFI [Member] | Construction, Land Development and Other Land [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due			28
Consumer LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		69	70
Subtotal		77	79
Total Acquired Loans		387	1,021
Consumer LHFI [Member] | Construction, Land Development and Other Land [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		8	9
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		52,461	56,371
Nonaccrual	[1]	141	145
Subtotal		55,156	59,287
Total Acquired Loans		81,314	86,950
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		1,900	1,841
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		654	930
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		6,567	7,472
Subtotal		7,198	8,548
Total Acquired Loans		8,564	10,058
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		217	314
Consumer LHFI [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		414	762
Consumer LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Total Acquired Loans		126,177	135,626
Consumer LHFI [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		62	71
Subtotal		62	71
Total Acquired Loans		3,679	4,638
Consumer LHFI [Member] | Other Real Estate Secured [Member] | Noncovered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		5	6
Subtotal		5	6
Total Acquired Loans		24,374	23,860
Consumer LHFI [Member] | Other Real Estate Secured [Member] | Covered Loans [Member] | Loans Secured by Real Estate [Member]
Acquired Loans, Aging [Abstract]
Current		1,022	445
Subtotal		1,022	445
Total Acquired Loans		1,132	1,286
Consumer LHFI [Member] | Commercial and Industrial Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Total Acquired Loans		51,663	55,075
Consumer LHFI [Member] | Commercial and Industrial Loans [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Total Acquired Loans		1,143	624
Consumer LHFI [Member] | Consumer Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		4,985	5,498
Subtotal		5,027	5,641
Total Acquired Loans		5,027	5,641
Consumer LHFI [Member] | Consumer Loans [Member] | Noncovered Loans [Member] | Past Due 30-89 Days [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due		42	142
Consumer LHFI [Member] | Consumer Loans [Member] | Noncovered Loans [Member] | Past Due 90 Days or More [Member]
Acquired Loans, Aging [Abstract]
Acquired Loans, Past Due			1
Consumer LHFI [Member] | Other Loans [Member] | Noncovered Loans [Member]
Acquired Loans, Aging [Abstract]
Total Acquired Loans		20,129	23,936
Consumer LHFI [Member] | Other Loans [Member] | Covered Loans [Member]
Acquired Loans, Aging [Abstract]
Current		4	3
Subtotal		4	3
Total Acquired Loans		$ 69	$ 73

[1] Acquired loans not accounted for under FASB ASC Topic 310-30.

[2] Past due 90 days or more but still accruing interest.